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science how to solve momentum problems

Anonymous

labelScience

timer
Asked: Mar 28th, 2015

Question description

i have a question like so. the pony express was a popular method the mail quickly in the mid-1800s. suppose a pony;s momentum is calculated to be 7,200 kg*hm - hr the mass of the pony is 450 kg. what is the magnitude of the pony's velocity